Packet #331261 Success

TRACEROUTE_APP packet from Meshtastic ebbc (ebbc) to Meshtastic 8097 (8097)

1
Total Receptions
1
Unique Gateways
3
Hop Count
51
Payload Bytes
Packet Information
Database ID: 331261
Mesh Packet ID: 0xe5e09cdf
Used for correlation across gateways
Timestamp: 2026-02-18 20:38:38 UTC
From Node: Meshtastic ebbc (ebbc)
To Node: Meshtastic 8097 (8097)
Success: Processed
Protocol: TRACEROUTE_APP
Port: 70
Gateway: NCHK brsk (brsk)
Channel: chat.cap.ru
RSSI: -27 dBm
SNR: 7.25 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: 3d brs1
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TRACEROUTE_APP
Size: 51 bytes
Decoded: Yes
Decoded Data:
Route Information
Route Path: Meshtastic 9b20 (9b20)
Hop Count: 0 hops
Status: Forward incomplete, Return in progress
SNR Towards: -13.25 dB -1.25 dB
Return Path: NCK_HeltecV3_8S 2acc (2acc) → NCHK brsk (brs1)
SNR Back: 8.5 dB -14.25 dB
Traceroute Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Meshtastic 8097 (8097) Meshtastic 9b20 (9b20) 9.20 km -13.25 dB Origin Hops
2 Meshtastic 9b20 (9b20) Meshtastic ebbc (ebbc) Unknown -1.25 dB Relay Hops
Traceroute incomplete - Final destination not reached
Return Path Steps
Hop From Node To Node Distance SNR (dB) Direction Analysis
1 Meshtastic ebbc (ebbc) NCK_HeltecV3_8S 2acc (2acc) Unknown 8.5 dB Return Start Hops
2 NCK_HeltecV3_8S 2acc (2acc) NCHK brsk (brs1) 716 m -14.25 dB Return End Hops
Total Forward Distance
9.20 km
Total Return Distance
716 m
Combined Traceroute Graph
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Building graph...

Legend & Paths
Nodes
🔄 Router Node
📡 Gateway Node
🚀 Source Node
🎯 Target Node
Connections
RF Link
Gateway Connection
Direct Reception (0 hops)
Packet Paths
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Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:51 bytes
Gateway:!698541c8
Channel:chat.cap.ru
Payload Type:TRACEROUTE_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Acknowledgment requested
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !698541c8
Node ID format
channel_id chat.cap.ru
packet MeshPacket (51 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 1819470780
Source node ID 		uint32
to 2661646487
Target node ID 		uint32
decoded.portnum TRACEROUTE_APP
TRACEROUTE_APP 		enum
decoded.payload_length 51 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -27.0 dBm
Signal strength at gateway 		int32
rx_snr 7.25 dB
Signal quality at gateway 		float
rx_time 1771447116
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack True
Acknowledgment requested 		bool
priority Not set enum
delayed Not set enum
channel 105
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 61
Relay node ID 		uint32
tx_after Not set uint32
timestamp Not set uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Acknowledgment requested
  • ✓ Targeted to specific node
  • ✓ Custom channel: chat.cap.ru
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Want ack: True
Gateway ID: !698541c8
Signal Metrics: RSSI: -27.0 dBm
SNR: 7.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TRACEROUTE_APP
Size:51 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "route_nodes": [ 67148576 ], "snr_towards": [ -13.25, -1.25 ], "route_back": [ 3679988428, 2092795197 ], "snr_back": [ 8.5, -14.25 ], "route_node_names": { "67148576": "Meshtastic 9b20 (9b20)", "3679988428": "NCK_HeltecV3_8S 2acc (2acc)", "2661646487": "Meshtastic 8097 (8097)", "1819470780": "Meshtastic ebbc (ebbc)", "2092795197": "NCHK brsk (brs1)" }, "traceroute_packet": { "packet_data": { "id": 331261, "timestamp": 1771447118.503753, "from_node_id": 1819470780, "to_node_id": 2661646487, "portnum": 70, "portnum_name": "TRACEROUTE_APP", "gateway_id": "!698541c8", "channel_id": "chat.cap.ru", "mesh_packet_id": 3856702687, "rssi": -27, "snr": 7.25, "hop_limit": 0, "hop_start": 3, "payload_length": 51, "processed_successfully": 1, "raw_payload": "0a04209b00041214cbffffffffffffffff01fbffffffffffffffff011a08cc2a58db3d85bd7c220b22c7ffffffffffffffff01", "via_mqtt": 0, "want_ack": 1, "priority": 0, "delayed": 0, "channel_index": null, "rx_time": 1771447116, "pki_encrypted": 0, "next_hop": 0, "relay_node": 61, "tx_after": 0, "raw_service_envelope": "0a700dbceb726c159780a59e18692a3e75ace74ff6a061fe5873f5308d57c5915cd9c441ecfad3a789231db521898be72b380d05757dd883df0ecd674d0a5be6f40e0f54e092b4cac90f6c9290ab35df9ce0e53d4c239669450000e840500160e5ffffffffffffffff01780398013da80101120b636861742e6361702e72751a09213639383534316338", "timestamp_str": "2026-02-18 20:38:38 UTC", "hop_count": 3, "has_payload": true, "success": 1, "from_node_name": "Meshtastic ebbc (ebbc)", "to_node_name": "Meshtastic 8097 (8097)", "relay_hex": "3d", "relay_candidates": [ { "node_id": 2092795197, "node_name": "NCHK brsk", "hex_id": "!7cbd853d", "short_name": "brs1", "last_byte": "3d" } ], "gateway_name": "NCHK brsk (brsk)", "gateway_location": { "node_id": 1770340808, "latitude": 56.1086464, "longitude": 47.4513408, "altitude": 125, "timestamp": 1775426105.4778023, "timestamp_str": "2026-04-05 21:55:05", "display_name": "NCHK brsk", "long_name": "NCHK brsk", "short_name": "brsk", "hw_model": "HELTEC_V4" } }, "resolve_names": true, "packet_id": 331261, "from_node_id": 1819470780, "to_node_id": 2661646487, "timestamp": 1771447118.503753, "gateway_id": "!698541c8", "raw_payload": "0a04209b00041214cbffffffffffffffff01fbffffffffffffffff011a08cc2a58db3d85bd7c220b22c7ffffffffffffffff01", "hop_limit": 0, "hop_start": 3, "from_node_name": "Meshtastic ebbc (ebbc)", "to_node_name": "Meshtastic 8097 (8097)", "route_data": { "route_nodes": [ 67148576 ], "snr_towards": [ -13.25, -1.25 ], "route_back": [ 3679988428, 2092795197 ], "snr_back": [ 8.5, -14.25 ] }, "forward_path": { "path_type": "forward_with_return", "node_ids": [ 2661646487, 67148576, 1819470780 ], "node_names": [ "Meshtastic 8097 (8097)", "Meshtastic 9b20 (9b20)", "Meshtastic ebbc (ebbc)" ], "snr_values": [ -13.25, -1.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2661646487, "to_node_id": 67148576, "from_node_name": "Meshtastic 8097 (8097)", "to_node_name": "Meshtastic 9b20 (9b20)", "snr": -13.25, "direction": "forward", "is_target_hop": false, "distance_meters": 9203.55620777189, "from_location_timestamp": 1771440791.377914, "to_location_timestamp": 1771446177.1306062, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 0.3h ago" }, { "hop_number": 2, "from_node_id": 67148576, "to_node_id": 1819470780, "from_node_name": "Meshtastic 9b20 (9b20)", "to_node_name": "Meshtastic ebbc (ebbc)", "snr": -1.25, "direction": "forward", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "is_complete": false, "total_hops": 2 }, "return_path": { "path_type": "return", "node_ids": [ 1819470780, 3679988428, 2092795197 ], "node_names": [ "Meshtastic ebbc (ebbc)", "NCK_HeltecV3_8S 2acc (2acc)", "NCHK brsk (brs1)" ], "snr_values": [ 8.5, -14.25 ], "hops": [ { "hop_number": 1, "from_node_id": 1819470780, "to_node_id": 3679988428, "from_node_name": "Meshtastic ebbc (ebbc)", "to_node_name": "NCK_HeltecV3_8S 2acc (2acc)", "snr": 8.5, "direction": "return", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" }, { "hop_number": 2, "from_node_id": 3679988428, "to_node_id": 2092795197, "from_node_name": "NCK_HeltecV3_8S 2acc (2acc)", "to_node_name": "NCHK brsk (brs1)", "snr": -14.25, "direction": "return", "is_target_hop": false, "distance_meters": 716.4999184293342, "from_location_timestamp": 1771446795.292685, "to_location_timestamp": 1771267971.6428602, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 2.1d ago" } ], "is_complete": false, "total_hops": 2 }, "actual_rf_path": { "path_type": "combined_rf", "node_ids": [ 2661646487, 67148576, 1819470780, 3679988428, 2092795197 ], "node_names": [ "Meshtastic 8097 (8097)", "Meshtastic 9b20 (9b20)", "Meshtastic ebbc (ebbc)", "NCK_HeltecV3_8S 2acc (2acc)", "NCHK brsk (brs1)" ], "snr_values": [ -13.25, -1.25, 8.5, -14.25 ], "hops": [ { "hop_number": 1, "from_node_id": 2661646487, "to_node_id": 67148576, "from_node_name": "Meshtastic 8097 (8097)", "to_node_name": "Meshtastic 9b20 (9b20)", "snr": -13.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": 9203.55620777189, "from_location_timestamp": 1771440791.377914, "to_location_timestamp": 1771446177.1306062, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 0.3h ago" }, { "hop_number": 2, "from_node_id": 67148576, "to_node_id": 1819470780, "from_node_name": "Meshtastic 9b20 (9b20)", "to_node_name": "Meshtastic ebbc (ebbc)", "snr": -1.25, "direction": "forward_rf", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" }, { "hop_number": 3, "from_node_id": 1819470780, "to_node_id": 3679988428, "from_node_name": "Meshtastic ebbc (ebbc)", "to_node_name": "NCK_HeltecV3_8S 2acc (2acc)", "snr": 8.5, "direction": "return_rf", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" }, { "hop_number": 4, "from_node_id": 3679988428, "to_node_id": 2092795197, "from_node_name": "NCK_HeltecV3_8S 2acc (2acc)", "to_node_name": "NCHK brsk (brs1)", "snr": -14.25, "direction": "return_rf", "is_target_hop": false, "distance_meters": 716.4999184293342, "from_location_timestamp": 1771446795.292685, "to_location_timestamp": 1771267971.6428602, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 2.1d ago" } ], "is_complete": false, "total_hops": 4 } }, "has_return_path": true, "is_complete": false, "forward_path_display": "Meshtastic 8097 (8097) → Meshtastic 9b20 (9b20) → Meshtastic ebbc (ebbc)", "return_path_display": "Meshtastic ebbc (ebbc) → NCK_HeltecV3_8S 2acc (2acc) → NCHK brsk (brs1)", "actual_rf_path_display": "Meshtastic 8097 (8097) → Meshtastic 9b20 (9b20) → Meshtastic ebbc (ebbc) → NCK_HeltecV3_8S 2acc (2acc) → NCHK brsk (brs1)", "forward_hops": [ { "hop_number": 1, "from_node_id": 2661646487, "to_node_id": 67148576, "from_node_name": "Meshtastic 8097 (8097)", "to_node_name": "Meshtastic 9b20 (9b20)", "snr": -13.25, "direction": "forward", "is_target_hop": false, "distance_meters": 9203.55620777189, "from_location_timestamp": 1771440791.377914, "to_location_timestamp": 1771446177.1306062, "from_location_age_warning": "from 1.8h ago", "to_location_age_warning": "from 0.3h ago" }, { "hop_number": 2, "from_node_id": 67148576, "to_node_id": 1819470780, "from_node_name": "Meshtastic 9b20 (9b20)", "to_node_name": "Meshtastic ebbc (ebbc)", "snr": -1.25, "direction": "forward", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" } ], "return_hops": [ { "hop_number": 1, "from_node_id": 1819470780, "to_node_id": 3679988428, "from_node_name": "Meshtastic ebbc (ebbc)", "to_node_name": "NCK_HeltecV3_8S 2acc (2acc)", "snr": 8.5, "direction": "return", "is_target_hop": false, "distance_meters": null, "from_location_timestamp": null, "to_location_timestamp": null, "from_location_age_warning": "No location data available", "to_location_age_warning": "No location data available" }, { "hop_number": 2, "from_node_id": 3679988428, "to_node_id": 2092795197, "from_node_name": "NCK_HeltecV3_8S 2acc (2acc)", "to_node_name": "NCHK brsk (brs1)", "snr": -14.25, "direction": "return", "is_target_hop": false, "distance_meters": 716.4999184293342, "from_location_timestamp": 1771446795.292685, "to_location_timestamp": 1771267971.6428602, "from_location_age_warning": "from 0.1h ago", "to_location_age_warning": "from 2.1d ago" } ], "total_forward_distance": 9203.55620777189, "total_return_distance": 716.4999184293342 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 1819470780, "to": 2661646487, "channel": 105, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgQgmwAEEhTL//////////8B+///////////ARoIzCpY2z2FvXwiCyLH//////////8B", "request_id": 3715546204, "bitfield": 1 }, "id": 3856702687, "rx_time": 1771447116, "rx_snr": 7.25, "want_ack": true, "rx_rssi": -27, "hop_start": 3, "relay_node": 61, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "chat.cap.ru", "gateway_id": "!698541c8" }, "mesh_packet": { "from": 1819470780, "to": 2661646487, "channel": 105, "decoded": { "portnum": "TRACEROUTE_APP", "payload": "CgQgmwAEEhTL//////////8B+///////////ARoIzCpY2z2FvXwiCyLH//////////8B", "request_id": 3715546204, "bitfield": 1, "parsed_payload": { "route": [ 67148576 ], "snr_towards": [ -53, -5 ], "route_back": [ 3679988428, 2092795197 ], "snr_back": [ 34, -57 ], "type": "protobuf", "portnum": "TRACEROUTE_APP", "message_class": "RouteDiscovery" } }, "id": 3856702687, "rx_time": 1771447116, "rx_snr": 7.25, "want_ack": true, "rx_rssi": -27, "hop_start": 3, "relay_node": 61, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (51 bytes)
0a04209b00041214cbffffffffffffffff01fbffffffffffffffff011a08cc2a58db3d85bd7c220b22c7ffffffffffffffff01
Hex Analysis:
Size:51 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
NCHK brsk (brsk) Primary 0.000s
Reference 		-27.0 dBm 7.25 dB 3 3d brs1 chat.cap.ru 2026-02-18 20:38:38 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways